1) an expression, or perhaps more appropriately, action of excitement, happiness, joy, etc. This interpretation is usually favored when asterisks are placed on either side of the term, i.e., *bounces*.

2) without the asterisks, bounce usually refers to the act of leaving.

1.) To depart.
2.) To have an air of style, fashion, progressiveness, coolness, hipness, spunk, and moxy.

1.) I am getting a bit tired of this party, let's bounce.
2.)
a. Others may not see it but I think that Anna has bounce.
b. "We've got more bounce in California than all y'all combined." from the song by Soul Kid #1 "More Bounce"